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Finding the Fourth Proportional to 45,258.63, 67,893.90 and 16,791.71

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Solution

The fourth proportional to 45,258.63, 67,893.90 and 16,791.71 is: 25,189.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,258.63 : 67,893.90 = 16,791.71 : x
  2. Step 2: Convert to fraction form
    45,258.63/67,893.90 = 16,791.71/x
  3. Step 3: Cross multiply
    45,258.63x = 67,893.90 × 16,791.71
  4. Step 4: Simplify right side
    45,258.63x = 1,140,054,530.37
  5. Step 5: Solve for x
    x = 1,140,054,530.37/45,258.63
  6. Step 6: Final answer
    x = 25,189.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.